Learn HTML by Building a Cat Photo App - Step 1

Tell us what’s happening:
Describe your issue in detail here.

  **<h1>Hello World</h1>**
<html>
<body>
  <h1>Hello World</h1>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Linux; Android 10; TECNO CD6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Mobile Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 1

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